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HomeProduct name list3,6-Dichlorophthalic anhydride

3,6-Dichlorophthalic anhydride

Synonym(s):4,7-Dichloroisobenzofuran-1,3-dione

  • CAS NO.:4466-59-5
  • Empirical Formula: C8H2Cl2O3
  • Molecular Weight: 217.01
  • MDL number: MFCD00042786
  • EINECS: 224-733-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-15 10:43:54
3,6-Dichlorophthalic anhydride Structural

What is 3,6-Dichlorophthalic anhydride?

Chemical properties

off-white to white powder

The Uses of 3,6-Dichlorophthalic anhydride

3,6-Dichlorophthalic Anhydride is an intermediate in the synthesis of phthalic compounds, phthalazines, and quinones with antimicrobial activity.

What are the applications of Application

3,6-Dichlorophthalic anhydride is is used in the study of molecular stacking

Purification Methods

Boil the anhydride in xylene (allowing any vapours which would contain H2O to be removed, e.g. Dean and Stark trap), which causes any acid present to dehydrate to the anhydride, and cool. Recrystallise it from xylene [Villiger Chem Ber 42 3539 1909, Fedoorow Izv Akad Nauk SSSR Otd Khim Nauk 397 1948, Chem Abstr 1585 1948]. [Beilstein 17/11 V 260.]

Properties of 3,6-Dichlorophthalic anhydride

Melting point: 188-190 °C(lit.)
Boiling point: 339.1°C (rough estimate)
Density  1.5974 (estimate)
storage temp.  under inert gas (nitrogen or Argon) at 2-8°C
solubility  Chloroform (Slightly), Ethyl Acetate (Slightly, Heated)
form  Solid
color  White to Off-White
BRN  164697
Stability: Moisture Sensitive
CAS DataBase Reference 4466-59-5(CAS DataBase Reference)
NIST Chemistry Reference 3,6-Dichloro-phthalic anhydride(4466-59-5)

Safety information for 3,6-Dichlorophthalic anhydride

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 3,6-Dichlorophthalic anhydride

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